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3 years ago

Which characteristic makes osmosis different from diffusion?

Biology

2 answers:

aleksklad [387]3 years ago

8 0

The answer is:

A.(Net movement in osmosis is from areas of higher water concentration to areas of lower water concentration. Net movement in diffusion occurs from areas of higher solute concentration to areas of lower solute concentration)

I took the test, hope this helps!

nalin [4]3 years ago

3 0

A) Net movement in osmosis is from areas of higher water concentration to areas of lower water concentration. Net movement in diffusion occurs from areas of higher solute concentration to areas of lower solute concentration.

This happens so that both solution have roughly the same concentration

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) An allosteric interaction between a ligand and a protein is one in which: (3 pts) A) binding of a molecule to a binding site a

djverab [1.8K]

Answer:

B) binding of a molecule to a binding site affects the binding properties of another site on the protein.

Explanation:

In an allosteric interaction between a protein and a ligand, the ligand binds to a site in the protein. As a result, there is a change in the properties of other active sites on the protein. These active-site changes may or may not allow the protein to bind to other molecules. There is a change in the protein that affects the affinity of the active site for other molecules. The affinity on the active site increases if the protein binds to an activator and decreases if the protein binds to an inhibitor molecule.

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3 years ago

The pouplations of the two species increase and decrease based on the numbers of each species present. This relationship is an e

anyanavicka [17]

Answer:

It is Competition

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4 years ago

What type of light (energy) does each light start out as?

Marrrta [24]

The conversion of light energy into chemical energy is dependent on the substance chlorophyll

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3 years ago

A scientist breeds two different varieties

olga_2 [115]

Selective breeding
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3 years ago

Different ratios occur in crosses with single gene pairs or two gene pairs. What types of ratios are likely to occur in crosses

likoan [24]

Answer:

Genotype ratio: 1, 1:1, 1:2:1

Phenotype ratio: 1, 3:1

Explanation:

Single gene pair cross is also known as monohybrid cross. This means that only one gene usually with two alleles is observed and it express one trait.

For example, if we name the gene for a certain trait with A, the possible genotypes are AA (dominant homozygous), aa (recessive homozygous) and Aa (heterozygous). Possible crosses are:

P: AA x AA

F1 : all of them are AA

The same is with aa x aa (all of the offspring are with aa genotype)

P: AA x Aa

F1: AA Aa AA Aa (genotype ratio 1:1) (phenotype ratio 3:1)

The same genotype ratio is in aa x Aa (offspring will have aa Aa aa Aa-(genotype ratio 1:1) (phenotype ratio 1:1)

P: Aa x Aa

F1: AA Aa Aa aa (genotype ratio 1:2:1) (phenotype ratio 3:1)

P: AA x aa

F1: Aa Aa Aa Aa (1)

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3 years ago